104eeddc0SDimitry Andric // -*- C++ -*- 204eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 304eeddc0SDimitry Andric // 404eeddc0SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 504eeddc0SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 604eeddc0SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 704eeddc0SDimitry Andric // 804eeddc0SDimitry Andric //===----------------------------------------------------------------------===// 904eeddc0SDimitry Andric 1004eeddc0SDimitry Andric #ifndef _LIBCPP___CHRONO_SYSTEM_CLOCK_H 1104eeddc0SDimitry Andric #define _LIBCPP___CHRONO_SYSTEM_CLOCK_H 1204eeddc0SDimitry Andric 1304eeddc0SDimitry Andric #include <__chrono/duration.h> 1404eeddc0SDimitry Andric #include <__chrono/time_point.h> 1504eeddc0SDimitry Andric #include <__config> 1604eeddc0SDimitry Andric #include <ctime> 1704eeddc0SDimitry Andric 1804eeddc0SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1904eeddc0SDimitry Andric # pragma GCC system_header 2004eeddc0SDimitry Andric #endif 2104eeddc0SDimitry Andric 2204eeddc0SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2304eeddc0SDimitry Andric 24*cb14a3feSDimitry Andric namespace chrono { 2504eeddc0SDimitry Andric 26*cb14a3feSDimitry Andric class _LIBCPP_EXPORTED_FROM_ABI system_clock { 2704eeddc0SDimitry Andric public: 2804eeddc0SDimitry Andric typedef microseconds duration; 2904eeddc0SDimitry Andric typedef duration::rep rep; 3004eeddc0SDimitry Andric typedef duration::period period; 3104eeddc0SDimitry Andric typedef chrono::time_point<system_clock> time_point; 32bdd1243dSDimitry Andric static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = false; 3304eeddc0SDimitry Andric 3404eeddc0SDimitry Andric static time_point now() _NOEXCEPT; 3504eeddc0SDimitry Andric static time_t to_time_t(const time_point& __t) _NOEXCEPT; 3604eeddc0SDimitry Andric static time_point from_time_t(time_t __t) _NOEXCEPT; 3704eeddc0SDimitry Andric }; 3804eeddc0SDimitry Andric 3906c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 4004eeddc0SDimitry Andric 4104eeddc0SDimitry Andric template <class _Duration> 4204eeddc0SDimitry Andric using sys_time = time_point<system_clock, _Duration>; 4304eeddc0SDimitry Andric using sys_seconds = sys_time<seconds>; 4404eeddc0SDimitry Andric using sys_days = sys_time<days>; 4504eeddc0SDimitry Andric 4604eeddc0SDimitry Andric #endif 4704eeddc0SDimitry Andric 4804eeddc0SDimitry Andric } // namespace chrono 4904eeddc0SDimitry Andric 5004eeddc0SDimitry Andric _LIBCPP_END_NAMESPACE_STD 5104eeddc0SDimitry Andric 5204eeddc0SDimitry Andric #endif // _LIBCPP___CHRONO_SYSTEM_CLOCK_H 53